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LT1175IQ

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LDO Regulator Neg -3.8V to -19.3V 0.5A Automotive 6-Pin(5+Tab) DDPAK

Manufacturer : Analog Devices, Inc
Package/Case : TO-263
Product Categories : Linear (LDO)
Datasheet: LT1175IQ Datasheet (PDF)
RoHs Status: Lead free / RoHS Compliant
In-stock: 750

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LT1175IQ Product Details

The LT1175IQ is a negative micropower low dropout regulator. It features 45μA quiescent current, dropping to 10μA in shutdown. A new reference amplifier topology gives precision DC characteristics along with the ability to maintain good loop stability with an extremely wide range of output capacitors. Very low dropout voltage and high efficiency are obtained with a unique power transistor anti-saturation design. Adjustable and fixed 5V versions are available.

Several new features make the LT1175IQ very user-friendly. The SHDN pin can interface directly to either positive or negative logic levels. Current limit is user-selectable at 200mA, 400mA, 600mA and 800mA. The output can be forced to reverse voltage without damage or latch-up. Unlike some earlier designs, the increase in quiescent current during a dropout condition is actively limited.

The LT1175IQ has complete blowout protection with current limiting, power limiting and thermal shutdown. Special attention was given to the problem of high temperature operation with micropower operating currents, preventing output voltage rise under no-load conditions. The LT1175IQ is available in 8-pin PDIP and SO packages, 3-lead SOT-223 as well as 5-pin surface mount DD and through-hole TO-220 packages. The 8-pin SO package is specially constructed for low thermal resistance.

Feature

  • Operating Current: 45μA
  • Adjustable Current Limit
  • Low Voltage Linear Dropout Characteristics
  • Stable with Wide Range of Output Capacitors
  • Shutdown Current: 10μA
  • Positive or Negative Shutdown Logic
  • Fixed 5V and Adjustable Versions
  • Tolerates Reverse Output Voltage
  • Available in 8-pin PDIP and SO Packages, 3-lead SOT-223, 5-Pin Surface Mount DD and Through-Hole TO-220 Packages

Applications

  • Analog Systems
  • Modems
  • Instrumentation
  • A/D and D/A Converters
  • Interface Drivers
  • Battery-Powered Systems

LT1175IQ Pinout
(Picture: Pinout)

LT1175IQ Block Diagram
(Picture: Diagram)

Technical Parameters

  • Number of Outputs
  • 1
  • Vinmin | V
  • -20
  • Vinmax | V
  • -4.3
  • Output Currenttyp | A
  • 500m
  • Output Voltage
  • -5, -Adj
  • Isupplytyp | A
  • 45µ
  • Dropout Voltagetyp | V
  • 500m
  • RMS Noisetyp | V
  • -

LT1175IQ Datasheet

  • LT1175 Technical Documentation/Data sheet

LT1175IQ Equivalent Parts

For the LT1175IQ component, you may consider these replacement and alternative parts.

Models Manufacturer Package/Case Description
LT1175CT ADI TO220- 500mA Negative Low Dropout Micropower Regulator

LT1175IQ Related Products

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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.

FAQ:

Q: How does Jotrin guarantee that LT1175IQ is the original manufacturer or agent of ADI?
We have a professional business development department to strictly test and verify the qualifications of ADI original manufacturers and agents. All ADI suppliers must pass the qualification review before they can publish their LT1175IQ devices; we pay more attention to the channels and quality of LT1175IQ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of LT1175IQ chips? Including ADI original factory information, Linear (LDO) application, LT1175IQ pictures?
You can use Jotrin's intelligent search engine, or filter by LDO Linear Regulators ; Negative Linear Regulators (LDO) category, or find it through Analog Devices, Inc Information page.
Q: Are the ADI's LT1175IQ price and stock displayed on the platform accurate?
The ADI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LT1175IQ, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Q: What is the process for returns or replacement of LT1175IQ?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LT1175IQ we delivered, we will accept the replacement or return of the LT1175IQ only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of LT1175IQ.
(3)The LT1175IQ is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
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Analog Devices, Inc

ADI
Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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